Finding the Fourth Proportional to 105,567.32, 158,359.26 and 30,688.58

Step by Step Solution

1. Step 1: Write the proportion equation
   105,567.32 : 158,359.26 = 30,688.58 : x
2. Step 2: Convert to fraction form
   105,567.32/158,359.26 = 30,688.58/x
3. Step 3: Cross multiply
   105,567.32x = 158,359.26 × 30,688.58
4. Step 4: Simplify right side
   105,567.32x = 4,859,820,819.25
5. Step 5: Solve for x
   x = 4,859,820,819.25/105,567.32
6. Step 6: Final answer
   x = 46,035.28